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Byju's Answer
Standard XII
Physics
Transistor as an Amplifier
Current flowi...
Question
Current flowing in a Zener diode as shown in circuit is:
(Given diode is an ideal and
V
Z
=
4
V
)
A
0.4
A
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B
0.5
A
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C
0.9
A
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D
0.1
A
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Solution
The correct option is
D
0.1
A
Given:
V
Z
=
4
V
i.e, potential drop across
10
Ω
is
4
V
.
Using,
V
=
i
R
⇒
i
=
V
R
=
4
10
=
0.4
A
Voltage drop across
2
Ω
is
1
V
,
i
N
e
t
=
V
R
=
1
2
=
0.5
A
∴
i
Z
=
i
N
e
t
−
i
=
0.5
−
0.4
=
0.1
A
Hence,
(
D
)
is the correct answer.
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